holz-wolfram.de - robtex.com

holz-wolfram.de

DNSSEC⚠️ Not signed
A2a01:4f8:c010:6499::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRweb6.webprojaggt.de
A5.75.237.88🇩🇪 Hetzner5.75.128.0/17 HETZNER-DC
NSns1.first-ns.de ⭐
A2a01:4f8:0:a101::a:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRns1.first-ns.de
A213.239.242.238🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2
PTRns1.first-ns.de
NSrobotns2.second-ns.de
A2a01:4f8:0:1::5ddc:2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRrobotns2.second-ns.de
A213.133.100.103🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1
PTRrobotns2.second-ns.de
NSrobotns3.second-ns.com
A2001:67c:192c::add:a3🇩🇪 NORIS-NETWORK2001:67c:192c::/48
PTRrobotns3.second-ns.com
A193.47.99.3🇩🇪 NORIS-NETWORK193.47.99.0/24
PTRrobotns3.second-ns.com
MXmail.holz-wolfram.de ⭐
A49.12.75.189🇩🇪 Hetzner49.12.0.0/16 HETZNER-DC
PTRweb4.webprojaggt.de
TXTv=spf1 a mx ~all
SOAns1.first-ns.dedns@hetzner.com 2026-04-01 #0

de

DNSSEC🔒 Signed (DS record present)
NSf.nic.de ⭐
NSa.nic.de
NSl.de.net ⚠️ Not in parent delegation
NSn.de.net ⚠️ Not in parent delegation
NSs.de.net ⚠️ Not in parent delegation
NSz.nic.de
SOAf.nic.dedns-operations@denic.de serial=1777363120

Subdomains

mail.holz-wolfram.de

Same first word

holz-wolfram.de

DNS History

8 records (6 active, 2 former)

20162017201820192020202120222023202420252026NSns1.first-ns.derobotns2.second-ns.derobotns3.second-ns.comMXmail.holz-wolfram.deA2a01:4f8:c010:6499::15.75.237.88144.76.220.21385.10.196.148
●NSns1.first-ns.de2015-08-23 → 2026-04-28 · 2 obs
● 2015-08-23 02:25:26
● 2026-04-28 08:20:18
●NSrobotns2.second-ns.de2015-08-23 → 2026-04-28 · 2 obs
● 2015-08-23 02:25:26
● 2026-04-28 08:20:18
●NSrobotns3.second-ns.com2015-08-23 → 2026-04-28 · 2 obs
● 2015-08-23 02:25:26
● 2026-04-28 08:20:18
●MXmail.holz-wolfram.de2015-08-23 → 2026-04-28 · 2 obs
● 2015-08-23 02:25:26
● 2026-04-28 08:20:18
○A144.76.220.2132015-08-23 → 2016-09-15 · 4 obs
● 2015-08-23 02:25:26
● 2016-09-15 12:27:26
○ 2017-04-03 15:16:46
○ 2026-04-28 08:20:18
●A2a01:4f8:c010:6499::12026-04-28 → 2026-04-28 · 2 obs
○ 2020-04-08 03:18:36
● 2026-04-28 08:20:18
●A5.75.237.882026-04-28 → 2026-04-28 · 2 obs
○ 2020-04-08 03:18:36
● 2026-04-28 08:20:18
○A85.10.196.1482017-04-03 → 2020-04-08 · 4 obs
○ 2016-09-15 12:27:26
● 2017-04-03 15:16:46
● 2020-04-08 03:18:36
○ 2026-04-28 08:20:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
holz-wolfram.derobotns2.second-ns.de, ns1.first-ns.de, robotns3.second-ns.com-

✅ Authoritative Response

Server:193.47.99.3

NS records: robotns2.second-ns.de, ns1.first-ns.de, robotns3.second-ns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for holz-wolfram.de (unsigned zone)

⏱️ Timing

Total: 1175ms | Queries: -

📄 Records

TypeCountSample Data
A15.75.237.88
AAAA12a01:4f8:c010:6499::1
NS3robotns2.second-ns.de, robotns3.second-ns.com...
MX1mail.holz-wolfram.de (pri: 10)
TXT1v=spf1 a mx ~all
SOA1ns1.first-ns.de dns.hetzner.com

Analysis

Hierarchy

The parent of mail.holz-wolfram.de is holz-wolfram.de.

IP Addresses

holz-wolfram.de resolves to two IP numbers: 2a01:4f8:c010:6499::1 and 5.75.237.88.

Other host names, for instance langpatent.com, engelstaedter.me, five.travel, mail.schreiner-drautzburg.de and mr-trans.de share IP numbers with holz-wolfram.de.

Name Servers

holz-wolfram.de is delegated to three name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.

holz-wolfram.de partially shares name servers with other domains; examples include siemonsmeier.eu, phase-6.de, hautnah-wissen.de, logicway.de and gewohnheiten.com.

these name servers are commonly used with the name servers ns1.asado.org.

Host names with two IP numbers:

robotns3.second-ns.com points to 2001:67c:192c::add:a3 and 193.47.99.3.

ns1.first-ns.de points to 2a01:4f8:0:a101::a:1 and 213.239.242.238.

robotns2.second-ns.de points to 2a01:4f8:0:1::5ddc:2 and 213.133.100.103.

Mail Servers

holz-wolfram.de is handled by a single mail server, mail.holz-wolfram.de.

mail.holz-wolfram.de points to a single IP: 49.12.75.189.